Crossword Genius

Domestic cleaner's opinion of lottery (10)

Ross

I believe the answer is:

sweepstake

I'm a little stuck... Click here to teach me more about this clue!

'lottery' is the definition.
(sweepstake is a kind of lottery)

'domestic cleaner's opinion' is the wordplay.
'domestic cleaner's' becomes 'sweeps' (sweep is a kind of cleaner. I am not sure about the 'domestic' bit.).
'opinion' becomes 'take' (I've seen this in another clue).
'sweeps'+'take'='SWEEPSTAKE'

'of' acts as a link.

Can you help me to learn more?

(Other definitions for sweepstake that I've seen before include "lots here" , "System of gambling, especially on horse races" , "action on race" , "gamble" , "Lottery" .)

I've seen this clue in The Guardian.
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